Four of the five answers listed below are functions of the nephron. Select the exception
a. filtration
b. dilution
c. excretion
d. reabsorption
e. secretion
B
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Denitrification of fertilizer can result in harmful algal blooms
Indicate whether the statement is true or false.
Which of the following statements DOES NOT support the hypothesis that neoteny contributed to the evolution of modern humans from our common ancestor with chimpanzees?
A. Juvenile Great Apes have large heads (relative to body size) and are less hairy than adult Great Apes. B. Neoteny involves changes in the developmental timing of gene regulation, consistent with the observation that the genome sequence of human and chimp are 99% identical. C. It has been suggested that the human mentality, characterized by questioning and playfulness, are characteristics of juvenile Great Apes. D. Sexual maturity occurs earlier in Great Apes than in humans.
Which compound could be the final electron acceptor of anaerobic cellular respiration, but not fermentation?
a. ethanol b. methane c. sulfate d. lactic acid
Which of the following mutations can help lead to cancer?
A. Mutations to tumor suppressor genes B. Mutations to growth factors C. Mutations to proto-oncogenes D. All of the above would lead to cancer